Lightweight compositions and articles containing such

Details Lightweight compositions and articles containing such Lightweight compositions and articles containing such

E - Fixed Constructions

04

C

E04C 1/00 (2006.01)

Patent

CA 2598172

A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g/cc to 0.64 g/cc, an aspect ratio of from 1 to 3, where after the lightweight cementitious composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39. The cementitious composition can be used to make concrete masonry units, construction panels, road beds and other articles and can be included as a layer on wall panels and floor panels and can be used in insulated concrete forms. Aspects of the lightweight cementitious composition can be used to make lightweight structural units.

Composition de ciment légère contenant en pourcentage de volume : 22-90 % de composition proprement dite et entre 10 et 78 % de particules à diamètre de particule moyen compris entre 0,2 mm et 8 mm, avec une masse volumique apparente comprise entre 0,03 g/cc et 0,64 g/cc, un rapport de forme compris entre 1 et 3. Après durcissement, cette composition à une résistance à la compression d'au moins 1700 psi sur essai conforme à la norme ASTM C39. On peut utiliser la composition pour l'élaboration d'unités de maçonnerie en béton, de panneaux de construction, d'assiettes de chaussées, etc. et on peut l'incorporer comme couche sur des panneaux muraux et des panneaux de sol, et enfin on peut l'utiliser dans des formes de béton isolées. Sous certains aspects, la composition peut être utilisée pour l'élaboration d'unités structurelles légères.

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